Finding the Fourth Proportional to 912,684.10, 1,366,930.02 and 455,873.19
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Solution
The fourth proportional to 912,684.10, 1,366,930.02 and 455,873.19 is: 682,762.80
Step by Step Solution
- Step 1: Write the proportion equation
912,684.10 : 1,366,930.02 = 455,873.19 : x - Step 2: Convert to fraction form
912,684.10/1,366,930.02 = 455,873.19/x - Step 3: Cross multiply
912,684.10x = 1,366,930.02 × 455,873.19 - Step 4: Simplify right side
912,684.10x = 623,146,748,724.16 - Step 5: Solve for x
x = 623,146,748,724.16/912,684.10 - Step 6: Final answer
x = 682,762.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.